iOS_隐藏顶部状态栏

iOS6和iOS7在隐藏 Status Bar 三种方式比較:

Storyboard

界面上选中UIViewController,最右边Simulated Metrics找到 Status Bar 设定成 None

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ViewController

iOS 6 

通过[UIApplication sharedApplication] 取得app的单例。然后调用setStatusBarHidden方法隐藏 Status Bar。

UIApplication *app = [UIApplication sharedApplication];
[app setStatusBarHidden:YES withAnimation:YES];

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iOS 7

实现prefersStatusBarHidden方法，返回 YES

- (BOOL)prefersStatusBarHidden
{
    return YES;
}
//特殊情况时,调用以下方法,强制又一次绘製 Status Bar
[self setNeedsStatusBarAppearanceUpdate];

Info.plist

iOS 6

在 Info.plist 中添加 Status bar is initially hidden 一行,选择值为 YES。

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iOS 7

不但要在 Info.plist 中添加 Status bar is initially hidden一行,选择值为 YES,

还需添加 View controller-based status bar appearance 一行,选择值为 NO。